menulibre crashed with PermissionError in delete_launcher(): [Errno 13] Permission denied: '/usr/share/applications/calendar.desktop'

attempted deleting a menu item from with regular user account.

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: menulibre 2.0.4-1
ProcVersionSignature: Ubuntu 3.16.0-3.8-generic 3.16.0-rc4
Uname: Linux 3.16.0-3-generic i686
ApportVersion: 2.14.4-0ubuntu2
Architecture: i386
CurrentDesktop: XFCE
Date: Mon Jul 14 01:39:20 2014
ExecutablePath: /usr/bin/menulibre
InstallationDate: Installed on 2014-07-14 (0 days ago)
InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Alpha i386 (20140713)
InterpreterPath: /usr/bin/python3.4
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/bin/menulibre
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/menulibre']
SourcePackage: menulibre
Title: menulibre crashed with PermissionError in delete_launcher(): [Errno 13] Permission denied: '/usr/share/applications/calendar.desktop'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo